McNally and Spicknall (1950) reported a linear relationship between the specific gravity and fat content of broiler legs. Dansky and Hill (1952) indicated that birds fed a high energy ration deposited more fat on the carcass than did birds on a ration of moderate amount of energy content. Information on the effect of feeding different levels of fat and protein in broiler rations on dressing percentages and fat deposition of the carcass is lacking. Greater fat deposition which results from feeding high energy rations could prove to be of economic importance to poultry processors and manufacturers of poultry meat products because of lower dressing yields and greater cooking loss of the carcass. To determine the influence of different levels of added fat (bleached tallow2) and protein in broiler diets on these factors, 15 different rations formulated to give C:P ratios ranging from 35.7 to 50.1 were fed to broilers from…
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Essary et al. (1965) studied this question.